Company type | Commercial launch services |
---|---|
Industry | Aerospace |
Founded | 2015 |
Founder | Chris Larmour |
Headquarters | , Scotland, United Kingdom [1] |
Key people | Chris Larmour (CEO until 2023) [1] |
Products | Prime launch vehicle |
Number of employees | 55 [2] (2020 [2] ) |
Website | orbex |
Orbital Express Launch Ltd., or Orbex, is a United Kingdom-based [3] aerospace company that is developing a small commercial orbital rocket called Prime. Orbex is headquartered in Forres, Moray, in Scotland and has subsidiaries in Denmark and Germany. Its future launch complex, Sutherland spaceport, is being built on the A' Mhòine peninsula in the county of Sutherland, northern Scotland. [4]
The company was founded in 2015 as Moonspike Ltd., with the goal of crowdfunding a private spacecraft mission to the Moon. [5] A Kickstarter campaign running from 1 October to 1 November 2015 raised less than £79,000 out of a goal of £600,000, rendering Moonspike ineligible for the funds. [6] Moonspike was renamed Orbital Express Launch Ltd. in 2016, with the company now aiming to provide commercial launch services of nano- and microsatellites, especially CubeSats, to polar and Sun-synchronous low Earth orbits. [7] In July 2018, Orbex secured £30 million in public and private funding for the development of its orbital rocket system, named Prime. [1] [8] In October 2022 Orbex closed a £40.4 million Series C funding round. [9] Orbex has opened a factory for Prime in Scotland that will eventually employ 150 people. [1] Currently, the company is working on developing the Prime vehicle, while preparing for the initial launch from the Sutherland spaceport.
The Sutherland spaceport in northern Scotland was initially intended to be shared with Lockheed Martin, who at the time did not have a launch vehicle, but their strategic shareholding in Rocket Lab led to speculation that they would launch with the Rocket Lab Electron rocket, but since the two vehicles (Electron and Prime) use different propellants, the two companies would have separate launch pads while sharing some common infrastructure. The planning application for the site, however, includes only one launchpad. Lockheed Martin then moved their launch plans to a competing site, SaxaVord Spaceport, in the Shetland Isles. [1] [10] [11] Orbex also plans to launch from a future spaceport in the Portuguese Azores. [12] [13]
In 2024, it was reported that the company received $20.7 million in a Series D funding round, with the bulk of the funds going towards development of the Prime launch vehicle which has not yet announced a launch window. [14]
Function | Small payloads to low Earth orbit |
---|---|
Manufacturer | Orbex |
Country of origin | United Kingdom |
Size | |
Height | 19 m (62 ft) [13] |
Diameter | 1.3 m (4 ft 3 in) [15] |
Mass | 18,000 kg (40,000 lb) [13] |
Stages | 2 [13] |
Capacity | |
Payload to SSO (500 km or 310 mi) | |
Mass | 150 kg (330 lb) [1] [16] |
Associated rockets | |
Comparable | Shavit 2, Kaituozhe-1, Unha, Electron, Miura 5 |
Launch history | |
Status | Under development |
Launch sites | Sutherland spaceport, [16] Azores spaceport (proposed) [13] |
First flight | 2023 (planned) [17] |
First stage | |
Diameter | 1.3 m (4 ft 3 in) |
Powered by | 6 [13] |
Propellant | LOX / bioLPG [13] |
Second stage | |
Diameter | 1.3 m (4 ft 3 in) |
Powered by | 1 [13] |
Propellant | LOX / bioLPG [13] |
Orbex is currently developing a light launch vehicle called Prime,and its booster (first stage) is planned to be reusable. [15] [16] The rocket's diameter is 1.3 m (4 ft 3 in),and will use a non-toxic bi-propellant consisting of liquid oxygen and propane. [1] One cited advantage of using propane is that it remains liquid at cryogenic temperatures,which enables a design where a central carbon-fibre tank of propane is surrounded by an outer tank of liquid oxygen,creating a light structural mass. [1] First stage reuse is planned to be achieved by a combination of a parachute and four ‘petals’which will fold out prior to atmospheric reentry to induce drag and passively reorient the vehicle. [18] It will be capable of launching payloads up to 150 kilograms (330 lb) to a standard 500 km Sun-synchronous orbit. [1] [16]
The maiden flight of Prime was expected to occur in 2023, [17] subject to the availability of Space Hub Sutherland and a Civil Aviation Authority launch licence, [19] for Surrey Satellite Technology Ltd. [20] Orbex also announced it was chosen by nanosatellite startup Astrocast to launch their communications satellites. [21]
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